Moistureproof collapsible container



Aug. 1, 1944.

c. F. MANNING MOISTUREFROOF COLLAPSIBLE CONTAINER Filed June 11, 1942 3 Sheets-Sheet l INV EN TOR.

ATTORNEY,

1944. c F. MANNING 2,355,027

MOISTUREPROOF COLLAPSIBLE CONTAINER Filed June 11, 1942 3 Sheets-Sheet 2 1944- c. F. MANNiNG 2,355,027

I MOISTUREPROOF COLLAPSIBLE CONTAINER Filed June 11, 1942 3 Sheets-Sheet 3 ATTOMY;

Patented Aug. 1, 1944 MOISTUREPROOF COLLAPSIBL CONTAINER Clarence F. Manning, Richmond, Va., assignor to Reynolds Metals 00., Richmond, Va., 2. corporation of Delaware Application June 11, 1942, Serial No. 446,593 6 Claims. (01. 229-51) The object of the invention is to provide a collapsible multi-unit, light, strong and moistureproof container particularly adapted for the shipment and storage of ammunition, explosives, chemicals, grease and petroleum products, and other materials which will be afiorded protection against moisture, excessive dryness, light and actinic rays, insects and vermin, deleterious'vapors, corrosion and other hazards incident to storage and transportation. When empty, the container units are collapsed into fiat form for economy and storage and transportation; when ready for use it is extended into strong, rigid boxlike form and sealed. After being sealed, both the sealing unit and the box can be opened simultaneously by one simple arm motion and without tools.

The invention will be described with reference to the accompanying drawings, in which: Figure 1 is aplan viewof the blank from whic the collapsible box is made.

Figure 2 is an edge view of the same. a

Figure 3 is a plan view of the tear strip showing in dotted lines the lines of fold.

Figure 4 is a perspective 'viewof the set-up box.

Figure 5 is a fragmentary vertical section taken on the line 5-5, Figure 6.

Figure 6 is a fragmentary view showing. the upper portion of the closed box ready to be received within its sealing envelope.

Figure 'l is an edge view of the cover assembly, theretofore shown in section, Figure 5.

the collapsible box blank. The side walls I! and tending score line which also extends longitudinally of said bottom wall extensions 20:: and 2021'.

' The secondary end walls F91, I 9x1: arereversely scored at as.

One of the primary end wall members is preferably formed with an opening at 2|, Figure 1, showing the opening in primary end wall member lime, and the margin of secondary end wall member Hair is correspondingly cut away at its margin as shown at 22. y

In forming up the collapsible box so that when formed it may lie in the flat or be extended as Figurec 8 is agperspetivejvi'waof the .sealed V structure within its envelope.

Figure 9 is a top plan view of the collapsible box in collapsed form.

Figure 10 is a top plan view of the collapsible box in extended form, the foldable bottomextensions being horizontally disposed.

Figure 11 is an end view of the collapsible box before complete extension.

Figure 12 is an enlarged fragmentary section taken on the line l2-l2, Figure 10.

In the structure illustrated in Figures 1 to 12 inclusive, the blank consists of a heavy piece of cardboard or fibre-board cut and score to form opposed side wall panels ll, IS, a bottom member 2| cut and scored to fold outwardly uponitself, side wall I! at its ends having primary end wall members In, lln. The side wall I! has at its end secondary end wall members Mr, I922. The

bottom wall construction at its ends carries both longitudinally foldable and transversely foldable desired, the side walls are brought up to the vertical by folding on 'the heavy score lines a and the secondary end wall members are brought over outwardly upon the primary end wall members ll'z, l8zx, as shown in Figure 4. Thereupon the primary and secondary end wall members are secured together by any suitable'means as by staples 23 which staples lie outwardly of the heavy score lines ss'. The structure will then assume the position shown in Figure loiwhereupon the bottom extensions 20:: and 2'22: maybe foldedupwardly as shown in Figure 4. The box may be collapsed as shown in Figure 9for shipping.

When the box is filled, as with cartridges, it may receive a cover member 24 preferably as shown in Figures 5 and 7. This cover member is made of an upper cardboard piece of major area which will lie over upon the top edges of the box and one or more pieces secured thereto which will be of the inside dimensions of the box. Se: cured by staples or other'means indicated at 25 is the tear strip 26, the strip being shown in detail in Figure 3. It preferably consists of a length of cardboard or the like reduced in width at one end and near the opposite'end transversely scored at. 26' and formed near the opposite end with three transversely extending lines of scoring as shown at 25''. The end of the tear strip extendingoutwardly from the score line 25' is adapted'to be folded vertically so that its-end will lie adjacent the opening 2| in end wall member lam-and the in Figure 6.

When the cover member is applied with its overlying folded. tear strip the cover may be held in position by adhesive tape strips preferably of paper as indicated at 21, Figure 6.

'8. A suitable method of making the envelope is' to fold a heat sealing sheet construction upon itself, the fold forming the body of the envelope. At the sides of the body member when placedtogether, the margins are pressed by hot plates into connection, leaving the top of the envelope open or unattached. The side walls will be greater in depth than the box. The box may be inserted in the envelope in collapsed form and then may be expanded, and held expanded by virtue of its 'construction,,with the upper area thereof extend- .ing above the box, for lap folding as shown in Figure 8, after which the sealing tapes 29 may be applied.

'. When the lip of the tear strip is seized a single pull to the left will tear away the top area of the envelope, breaking thepaper tapes 29, Figure 8,

if they are employed, and also the inner adhesive strips or tapes 21, the same motion removing the cover from. the box.

The structure is particularly desirable for military use, providing protection for ammunition and goods generally where adequate protection, including protectionagainst. moisture, is required.

From the above description of the drawings, it will be seen that the invention provides a light, strong, moistureproof container, which can be packed flat and yet quickly and easily opened'for use, and which consists of a moistureproof envelope, a collapsible box within the envelope and a rip strip permitting quick unsealing and removal of the box lid byla quick single motion. Not only .does the container afford protection to the contents but is capableof speedy production at low post and-enables ease of assembly, filling and opening. I

Having described invention, what Icla1m and desire Ito secure by Letters Patent, is as follows:. 7 g

l. A light, strong, moistureproofmulti-unit container, adapted to-be packed flatfor economical shipment,-comprising-a moistureproof envelope having flexible walls and open at its top,

said end wall being perforated adjacent the said lip, and the envelope being marked with a puncture designation which lies in register with the opening of the box as and for the purpose described. 4

3. A collapsible box adapted for use with a moistureproof envelope as set forth in claim 1, which comprises. a relatively heavy cardboard sheet cut and scored to provide side walls, a bottom wall member and two sets of end wall members, the bottom wall member being longitudinally seored and also transversely scored colinear with transverse scoring bounding the ends of the side walls, said bottom wall member being provided exteriorly of its transverse scoring with end extensions, one set of the end walls being transversely scored in a direction reversely of the scoringwhich bounds said end walls from the appropriate side walls, as and for the purpose set forth.

4. A light, strong, moistureproof multi-unit .container, which comprises a relatively heavy the top area, carrying a sealing medium, a collapsible box adapted .to be received in andtp be opened up within the envelope whereby the flexible walls of the latter :areconformed to the shape of the box, the said sealing-medium- -carrying areas of the envelope projecting beyond the box and being adaptedto be brought into abutment for sealing, a removable top applied to the collapsible box and a flexible rip strip secured at one end to the box top and lying along the same, the rip strip. having a free end, the

cardboard sheet cut and scored to provide side walls, a bottom wall member and two sets of end wall members, the bottom wall member being longitudinally scored and also transversely scored colinear with transverse scoring bounding the ends of the side walls, said bottom wall member being provided exteriorly of its transverse .scoring with end extensions, one set of the end walls-being transversely scored in a direction reversely of thescoring which bounds said end Twalls from the appropriate side walls, as and for the purpose set forth, in which one set of end walls is, as -to one'of the walls, formed with an cal shipment, comprising a moistureproof envelope having flexiblewalls and open at its top, the top area carrying a sealing medium, a collapsible box adaptedto be received in and to be opened up within the-envelope whereby the'flexible. walls of "the latter are conformed to' the shape of the box,,-;and' a top for'the' box compris ng an upper area adapted to abut upon the top edge of'the box, and an area of lesser dimensions adapted to fit'within the box, a flexible tearing strip having one endfolded under its body and secured to an end-of the box top, the strip then'continuing'on and longitudinally of the top and having a lip bent downwardly upon an end wall ofthe box.

6. A light, strong moistureproof I multi-unit container, foldable to be packed flat for economical shipment, comprising a collapsible paperboard box having itswalls foldable at their lines of jointure' and having its bottom wall foldable at a central longitudinal line, the container includmg a moisture-proof envelope having flexible walls and adapted to receive the collapsible box whereby the latter may be expanded to conform the envelope therewith, the envelope at its top i area carrying a sealing medium, the top area being adapted for folding over .in parallelism --with the top area of the box, a removable top member for, the box, and a band of flexible material secured to the top member and then folded back upon itself with its free end angularly bent to lie parallel with a wall 'of the box extendin angularly of said top member.

CLARENCE F. MANNING. 

